[linux] call of duty 4

[acal3000]

If the COD version he is running is a windows version simulated by some program like wine or cedega. Ths e same exe craks for windows could work fine. And actually are generally mandatory to run windows games on Linux since the copyprotections used in games are generally not compatible with the Linux enviroment and don't validate the disks whne insterted only afew games workes interting the disks and virtual cd drive emulation forget it coz there not too much progs like Alcohol in Linux

If he usiing a ported Linux version of COD that I don't know if exists Linux portages generally don't seems to have ce chek most of the time. Maybe some not always